package com.gk.test;

import java.util.Stack;

/**
 * @Author poison
 * @Date 2020/10/29 15:44
 */
public class Apptest2 {

    public static void main(String[] args) {
        Stack<String> stack = new Stack<>();
        stack.add("sa");
        stack.push("111");
        System.out.println(stack.pop());
    }
}
